2 files changed, 12 insertions, 12 deletions
diff --git a/src/main/kotlin/pl/treksoft/kvision/form/Form.kt b/src/main/kotlin/pl/treksoft/kvision/form/Form.kt
index a2d6848c..2c71e6a1 100644
--- a/src/main/kotlin/pl/treksoft/kvision/form/Form.kt
+++ b/src/main/kotlin/pl/treksoft/kvision/form/Form.kt
@@ -24,8 +24,7 @@ package pl.treksoft.kvision.form
 import kotlinx.serialization.ImplicitReflectionSerializer
 import kotlinx.serialization.KSerializer
 import kotlinx.serialization.Mapper
-import kotlinx.serialization.context.MutableSerialContextImpl
-import kotlinx.serialization.decode
+import kotlinx.serialization.modules.serializersModuleOf
 import kotlinx.serialization.serializer
 import pl.treksoft.kvision.i18n.I18n.trans
 import pl.treksoft.kvision.types.DateSerializer
@@ -107,9 +106,10 @@ class Form<K : Any>(private val panel: FormPanel<K>? = null, private val seriali
                     else -> listOf(entry.key to entry.value)
                 }
             }.toMap()
-            val mapper = Mapper().InNullableMapper(FormMapWrapper(map))
-            mapper.context = MutableSerialContextImpl().apply { registerSerializer(Date::class, DateSerializer) }
-            mapper.decode(serializer)
+            Mapper(context = serializersModuleOf(Date::class, DateSerializer)).unmapNullable(
+                serializer,
+                FormMapWrapper(map)
+            )
         }
     }
 
diff --git a/src/main/kotlin/pl/treksoft/kvision/utils/JSON.kt b/src/main/kotlin/pl/treksoft/kvision/utils/JSON.kt
index e30935ab..8dd8a504 100644
--- a/src/main/kotlin/pl/treksoft/kvision/utils/JSON.kt
+++ b/src/main/kotlin/pl/treksoft/kvision/utils/JSON.kt
@@ -23,8 +23,9 @@ package pl.treksoft.kvision.utils
 
 import kotlinx.serialization.ImplicitReflectionSerializer
 import kotlinx.serialization.SerializationStrategy
-import kotlinx.serialization.context.SimpleModule
 import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.JsonConfiguration
+import kotlinx.serialization.modules.serializersModuleOf
 import kotlinx.serialization.serializer
 import pl.treksoft.kvision.types.DateSerializer
 import kotlin.js.Date
@@ -34,13 +35,12 @@ import kotlin.js.Date
  */
 object JSON {
 
-    val plain = Json().apply {
-        install(SimpleModule(Date::class, DateSerializer))
-    }
+    val plain = Json(context = serializersModuleOf(Date::class, DateSerializer))
 
-    val nonstrict = Json(strictMode = false).apply {
-        install(SimpleModule(Date::class, DateSerializer))
-    }
+    val nonstrict = Json(
+        configuration = JsonConfiguration.Stable.copy(strictMode = false),
+        context = serializersModuleOf(Date::class, DateSerializer)
+    )
 
     /**
      * An extension function to convert Serializable object to JS dynamic object